Question

4. The highest second ionization energy is for group: a) IIA b) III A c) IVA d) IIIB e) IA​

Answer 1

Answer:

a)

Explanation:

Neon has 8 electrons in its outermost orbit. Thus it is highly stable. Now, when the second electron is removed, a very very high amount of energy is required because it doesn't want to give away one of its outermost electron by disrupting its stability. Thus, second ionization energy of sodium is extremely high.

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